1307728395

素因数分解:

$3^4\times 5^1\times {\mathrm{3228959}}^1$

素因数の和:3228976

約数の個数: 20

約数和(自身を含む): 2344224960

約数和(自身を除く): 1036496565

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3228959, 9686877, 16144795, 29060631, 48434385, 87181893, 145303155, 261545679, 435909465, 1307728395]

約数ペア:

[(1, 1307728395), (3, 435909465), (5, 261545679), (9, 145303155), (15, 87181893), (27, 48434385), (45, 29060631), (81, 16144795), (135, 9686877), (405, 3228959)]